Our Story

Sota-Acoustics Ltd., is a company dedicated to producing a unique range of loudspeakers based around state-of-the-art mechanical engineering. Branded Markaudio-Sota, our key goal is to apply all-range driver technology to our products with minimal control networks. Sota Acoustics works in close cooperation with Markaudio Loudspeakers Ltd., home of the renowned Alpair series of drivers.

Highly customised variations of these drivers are engineered for Sota Acoustics by Markaudio Loudspeakers: to celebrate this close working relationship, the new brand of loudspeakers share the combined name of ‘Markaudio-Sota


The Team

We are a team of dedicated professionals, ready to do whatever it takes to have the great acoustic.


Steve Cheng – Founder

Founder Steve Cheng formed Sota Acoustics Limited in 2014. Having maintained a keen audio interest over many years, the time came to turn dreams into a reality.   Steve is the Executive Director and Chairman of Telefield, a substantial manufacturing company group based in Hong Kong, experience that will assist Sota in its growth and development. Steve has 30 plus years of postgraduate level experience in consumer electronic products industry from telephones, personal security devices, alarms and A/V amplification and large scale manufacturing, giving him a near unique set of skills and a wide industrial perspective to lead Sota.  A devotee of electronics and new technology, Steve has recently become the proud owner of a Tesla all-electric car.


Thomas Lo – Manager

Manager Thomas Lo leads Sota’s business and marketing development.  Thomas has over 15 years of experience in consumer electronic products industry.  His work includes electronic games, telephones, AV products, EMS products, home appliances, remote control, security, home automation, and DSP products for some of the world leading brands. Thomas has a keen interest in classic original Mini cars and owns a rare ERA (Engineering Application and Research Ltd.) turbo-charged original series Mini


Mark Fenlon – Consultant

Consultant Mark Fenlon leads on product development and technical application. Mark also contributes to Sota’s marketing development. Mark’s engineering background initially comes from the energy sector specialising in material flow dynamics, production and control. He was the originator of the Alpair and CHR series of Full-Range audio drivers under the original Markaudio brand. With 30 years plus of post graduate mechanical-industrial and product design experience, his passion for home audio started at 18 years of age when his built his own set of loudspeakers.  Mark is an enthusiast for Japanese vintage audio equipment that includes rare Victor and Sansui. He also owns and restores classic Subaru Impreza and Mitsubishi Evolution 4 wheel driver sport cars.  Mark works in collaboration with Matsubara and Dr Scott Lindgren.


Evan Yu – Factory Manager

Factory manager Evan Yu leads on product assembly. He also contributes to development work. Evan has 20 plus years in audio driver construction and development having worked in factory operations with production capacities exceeding 4 million units per month. His extensive knowledge on the production practices is well suited to the Sota’s future. Evan has a real passion for experimentation with loudspeakers. His workbench is never empty.


Dr. Scott Lindgren – Consultant


Dr. Scott Lindgren is well-known as a loudspeaker designer and has produced a large number of highly-regarded systems for the commercial and custom-build markets, working both individually and as part of international development teams. Specializing in enclosure and filter design, outside his work in acoustics he is also a highly respected naval historian. Scott’s contribution to Markaudio-Sota includes large scale projects working in collaboration with Mark Fenlon and Matsubara-san to create our loudspeaker ranges.


Matsubara San – Consultant


An engineering science graduate, Matsubara has over 35 years of transducer and loudspeaker leading design experience based in Japan and China with major international Hi-Fi brands. He specializes in voice coil design for many transducer types. His research includes the operational efficiency of audio drivers. Matsubara’s contribution to Markaudio Sota includes large scale loudspeaker projects working in collaboration with Mark Fenlon and Dr. Scott Lindgren.


Kelvin Lam – Senior Engineer

Senior Engineer Kelvin Lam is a senior engineering manager.  Kelvin has over 20 years of experience in business development and research and development in electronics industry. He was employed by the Hong Kong Productivity Council from 1987 to 1992 where he served as an engineering technologist and was subsequently promoted to associate consultant of Electronics Services Division in 1992.  Kelvin and his engineering team are inventors of 7 patents. His project team supervised the production of Harmen Kardon (audio and video receiver) and Altec Lancing (Speakers with docking station) audio products.


Chow Kin Wong – Engineer

Engineer Chow Kin Wong, known to his friends as “KW” is our electronic engineer. He has over 25 years of working experience in electronic manufacturing industry, involved in R&D of security products, telephones, thermal control products etc, He is familiar with New Production Introduction process to bring new products into production. In Speaker development stage, he helps in selecting right components for cross-over circuits.


Chen Bin – Engineer

Engineer Chen Bin is our mechanical engineer specialising in electronic product R&D. Chen Bin has a decade of knowledge in home appliances workmanship and components specification and requirements.  He is one of the engineers responsible for MarkAudio Sota speaker series product outlook and construction design.


Feng Qunhui – Engineer

Engineer Feng Qunhui is our senior mechanical engineering supervisor.  He has several years R&D experience in multi-media speaker box design experience.  Plus over 12 years R&D experience in consumer electronic products.  Leading products design in speaker box, gaming joy sticks, telecom products, digital picture frame, electronic business card reader, security products, home automation products, Interest in reading and music listening.

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